247134328

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{28109}}^1$

素因数の和:28279

約数の個数: 32

約数和(自身を含む): 532965600

約数和(自身を除く): 285831272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 28109, 56218, 112436, 196763, 224872, 393526, 787052, 1574104, 4413113, 8826226, 17652452, 30891791, 35304904, 61783582, 123567164, 247134328]

約数ペア:

[(1, 247134328), (2, 123567164), (4, 61783582), (7, 35304904), (8, 30891791), (14, 17652452), (28, 8826226), (56, 4413113), (157, 1574104), (314, 787052), (628, 393526), (1099, 224872), (1256, 196763), (2198, 112436), (4396, 56218), (8792, 28109)]